Apachi Ambari provides a graphical user interface (GUI) to monitor Apachi Hadoop clusters. The installation process of ambari server can be found here. To add a new host in Ambari server, the host must have Fully Qualified Domain Name (FQDN) and password less SSH connection needs to be established between host and server. There are several steps that needs to be followed in order to add host successfully.

Password security is most important concern in web development. Most of the web applications developed now a days secure user password by hashing it in server side before storing it in database. But still there is possibility of exposing user password in client side if not handled properly.

DataTable is a jQuery plugin with advanced interaction controls to any HTML table. It is a highly flexible tool which provides pagination, multi-column ordering and instant search.

The DataTable search filter works for an entire table. But if you wish to add search filter for a particular column, then it’s also possible with a small tweak. Let’s take a look on adding column filter.